14504776981 has 2 divisors, whose sum is σ = 14504776982. Its totient is φ = 14504776980.

The previous prime is 14504776903. The next prime is 14504776991. The reversal of 14504776981 is 18967740541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14402160081 + 102616900 = 120009^2 + 10130^2 .

It is a cyclic number.

It is not a de Polignac number, because 14504776981 - 2³³ = 5914842389 is a prime.

It is a super-2 number, since 2×14504776981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14504776991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7252388490 + 7252388491.

It is an arithmetic number, because the mean of its divisors is an integer number (7252388491).

Almost surely, 2^14504776981 is an apocalyptic number.

It is an amenable number.

14504776981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14504776981 is an equidigital number, since it uses as much as digits as its factorization.

14504776981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 14504776981 in words is "fourteen billion, five hundred four million, seven hundred seventy-six thousand, nine hundred eighty-one".